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Update bedrock example for AI Gateway #21457

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merged 1 commit into from
Apr 7, 2025
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Update bedrock example for AI Gateway #21457

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43 changes: 21 additions & 22 deletions src/content/docs/ai-gateway/providers/bedrock.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -56,41 +56,40 @@ export default {
const accessKey = env.accessKey;
const secretKey = env.secretAccessKey;

const requestData = {
inputText: "What does ethereal mean?",
};

const headers = {
"Content-Type": "application/json",
};

// sign the original request
const stockUrl = new URL(
"https://bedrock-runtime.us-east-1.amazonaws.com/model/amazon.titan-embed-text-v1/invoke",
);

const awsClient = new AwsClient({
accessKeyId: accessKey,
secretAccessKey: secretKey,
region: region,
service: "bedrock",
});

const requestBodyString = JSON.stringify({
inputText: "What does ethereal mean?",
});

const stockUrl = new URL(
`https://bedrock-runtime.${region}.amazonaws.com/model/amazon.titan-embed-text-v1/invoke`,
);

const headers = {
"Content-Type": "application/json",
};

// sign the original request
const presignedRequest = await awsClient.sign(stockUrl.toString(), {
method: "POST",
headers: headers,
body: requestBodyString,
});

// change the signed request's host to AI Gateway
const stockUrlSigned = new URL(presignedRequest.url);
stockUrlSigned.host = "gateway.ai.cloudflare.com";
stockUrlSigned.pathname = `/v1/${cfAccountId}/${gatewayName}/aws-bedrock/bedrock-runtime/${region}/model/amazon.titan-embed-text-v1/invoke`;
// Gateway Url
const gatewayUrl = new URL(`https://gateway.ai.cloudflare.com/v1/${cfAccountId}/${gatewayName}/aws-bedrock/bedrock-runtime/${region}/model/amazon.titan-embed-text-v1/invoke`);

// make request
const response = await fetch(stockUrlSigned, {
// make the request through the gateway url
const response = await fetch(gatewayUrl, {
method: "POST",
headers: presignedRequest.headers,
body: JSON.stringify(requestData),
body: requestBodyString,
});

if (
Expand All @@ -99,9 +98,9 @@ export default {
) {
const data = await response.json();
return new Response(JSON.stringify(data));
} else {
return new Response("Invalid response", { status: 500 });
}

return new Response("Invalid response", { status: 500 });
},
};
```